Park Tool Steering Bearing Installer The Park Tool CRS-2M Steering Bearing Installer offers a new, safe approach to lower bearing installation. This unique system utilizes specially designed, aluminum inserts to quickly and accurately install nearly any lower bearing. Simply choose the correct insert, slide the setting driver over the steering tube and tap the bearing into place with a hammer, avoiding any risk of damage. Eases lower steering bearing installation. Installer includes three specially shaped aluminum inserts; 1", 1-1/8" and 1-3/8".